63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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// Check that having a worker bind to a port that's already taken doesn't
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// leave the master process in a confused state. Releasing the port and
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// trying again should Just Work[TM].
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const common = require('../common');
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const assert = require('assert');
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const fork = require('child_process').fork;
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const net = require('net');
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const id = String(process.argv[2]);
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const port = String(process.argv[3]);
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if (id === 'undefined') {
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const server = net.createServer(common.mustNotCall());
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server.listen(0, function() {
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const worker = fork(__filename, ['worker', server.address().port]);
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worker.on('message', function(msg) {
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if (msg !== 'stop-listening') return;
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server.close(function() {
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worker.send('stopped-listening');
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});
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});
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});
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} else if (id === 'worker') {
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let server = net.createServer(common.mustNotCall());
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server.listen(port, common.mustNotCall());
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server.on('error', common.mustCall(function(e) {
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assert(e.code, 'EADDRINUSE');
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process.send('stop-listening');
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process.once('message', function(msg) {
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if (msg !== 'stopped-listening') return;
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server = net.createServer(common.mustNotCall());
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server.listen(port, common.mustCall(function() {
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server.close();
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}));
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});
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}));
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} else {
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assert(0); // Bad argument.
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}
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